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Nucleon U2421 Stereo USB-A Headset w/Inline Controls

Price: $125$97.00

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Purchasing for business

  • As an authorized reseller of this product, business discounted pricing is only revealed via email as we cannot show it to the general public.
  • Every business order includes unlimited lifetime support from our Headset Helpdesk, saving you time and money.

Brand New Nucleon U2421 Stereo USB-A Headset ensures a clear and high-privacy call anytime, anywhere!

  • Built for UC applications and softphones from Avaya, Cisco and others
  • Optimized for Microsoft Teams
  • Cancels 96% of background noise!
  • Inline Controls for answer/end, volume +/- and mute
  • Three advanced noise-cancelling microphones ensure your voice is crystal-clear
  • Proprietary AENC voice algorithms are designed to distinguish your voice from others, ensuring that only your voice is transmitted
  • Memory foam cushions wrapped in skin-friendly protein leather, providing a luxurious experience for extended wear
  • Provides excellent sealing, effectively reducing external noise for the user
  • 27mm speaker is powerful and leak-tolerant, delivering rich, high-definition audio for calls and music alike
  • 360° Busylight for less interruption and fewer missed calls
  • Busylight will turn red while you’re on a call, the red light will flash to notify of incoming call
  • Make a truly seamless collaboration with Microsoft Teams Optimization
  • Lightweight body comes with 90° pivoting speakers and adjustable headband, ensures a great fit
  • In the Box: U2421 USB-A Headset, carrying case, quick start guide
  • 2 year manufacture warranty
BTP Model: NC-U2421
MFR Part: U2421E

Additional information

Weight 0.69641824 lbs
Dimensions 8.228 × 7.322 × 2.165 in


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Nucleon U2421 Quick Start Guide

Our Unmatched, Value-added Service Saves You Time, Money and Hassles:

  • Experienced consultants help you choose exactly the products you need, preventing unnecessary purchases
  • Free user setup help and training
  • 100% satisfaction guaranteed
  • Our team is committed to answering every call live during business hours
  • Same-day response to emails
  • Same-day shipping
  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday“Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Special order, 1-2 weeks.

Sometimes this item is not in stock, due to low demand. In this case, expect a phone call or email from BTP Customer Service letting you know the estimated ship date.

If your order includes other products that are in stock, we will give you the option of waiting until all items are in stock to receive your order, or you may request a partial shipment of in stock item(s) with the special order item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


“Jennifer, I just wanted to tell you how much I’ve appreciated all the assistance you and the staff at BTPI have provided over the years. You’ve always been rightRead more

Sue F. (Olympia, WA)